NON-
INTERRUPT
INTERRUPT
Model 4030
Two-Channel Listening Station
User Manual
93507489000 Rev F August / 2007
PROPRIETARY NOTICE
The product information and design disclosed herein were originated by
and are the property of Telex Communications, Inc. Telex reserves all
patent, proprietary design, manufacturing, reproduction, use and sales
rights thereto, and to any article disclosed therein, except to the extent
rights are expressly granted to others.
COPYRIGHT NOTICE
Copyright 2007 by Telex Communications, Inc. All rights reserved.
Reproduction, in whole or in part, without prior written permission from
Telex is prohibited.
WARRANTY NOTICE
See the enclosed warranty card for further details.
CUSTOMER SUPPORT
Technical questions should be directed to:
Customer Service Department
RTS/Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, MN 55337 USA
Telephone: 800-392-3497
Fax: 800-323-0498
RETURN SHIPPING INSTRUCTIONS
Customer Service Department
Telex Communications, Inc. (Lincoln, NE)
Telephone: 402-467-5321
Fax: 402-467-3279
Factory Service: 800-553-5992
Please include a note in the box which supplies the company name,
address, phone number, a person to contact regarding the repair, the type
and quantity of equipment, a description of the problem and the serial
number(s).
SHIPPING TO THE MANUFACTURER
All shipments of product should be made via UPS Ground, prepaid (you
may request from Factory Service a different shipment method). Any
shipment upgrades will be paid by the customer. The equipment should
be shipped in the original packing carton. If the original carton is not
available, use any suitable container that is rigid and of adequate size. If
a substitute container is used, the equipment should be wrapped in paper
and surrounded with at least four (4) inches of excelsior or similar
shock-absorbing material. All shipments must be sent to the following
address and must include the Proof of Purchase for warranty repair.
Upon completion of any repair the equipment will be returned via
United Parcel Service or specified shipper, collect.
Factory Service Department
Telex Communications, Inc.
8601 East Cornhusker Hwy.
Lincoln, NE 68507 U.S.A.
Attn: Service
This package should include the following:
Qty Description Part Number
1
IFB4030 Assembly
or
IFB4030-M
90107489000
90107488001
1 Operation Manual 93507489000
1 User Instructions, 4030-M 90507489001
1 Warranty 38110387
1 Certificate of Conformity 38109675
Table
of
Contents
Chapter 1
Description and Specifications ...................................................................................................................3
Description ..................................................................................................................................................3
General ........................................................................................................................................................3
Features ......................................................................................................................................................3
Specifications ..............................................................................................................................................4
Chapter 2
Operation ....................................................................................................................................................5
External Connections & Controls ...............................................................................................................5
Model 4030 Connections and Controls .......................................................................................................5
Chapter 3
Parts Documentation and Schematic ..........................................................................................................7
Final Assembly, Model 4030 .......................................................................................................................8
Connector Plate Assembly, Model 4030 .....................................................................................................9
PC Board Assembly, Model 4030 .............................................................................................................10
Connector Assemblies ...............................................................................................................................11
3
CHAPTER 1
Description and Specifications
Description
General
The Model 4030 is a portable user station for use with RTS/Telex two-wire or 4010 IFB intercom systems. The Model 4030 is
a listen-only IFB belt pack that can be used to listen to one or two intercom or program channels.
Features
• Powered externally, via the intercom system power supply on channel one.
• Power ON indicator
• Headset/Earset jack set for a wide range of operations.
• Monaural phone jack for intercom channel one.
4
Specifications
Power Requirements
32 VDC nominal (standard RTS line), 150mA maximum
Environmental Requirements
Storage: -20°C to 80°C, 0% - 95% humidity, non-condensing
Operating: 0°C to 50°C, 0% - 95% humidity, non-condensing
Dimensions:
Physical: 3.65” (92.77mm) L x 3.75” (95.3mm) W x 1.5” (38mm) D
Weight: 10.8 oz. (303g)
Interface Requirements
Earset/Headphone compatibility
Accepts 50 to 600 ohm earsets or headphones
Audio input requirements
Input Level: 2V p-p (0dBu) nominal
Input Impedance: 200 ohms ±5%
Noise Contribution
Less than -60dB nominal
Headphone Amplifier
Voltage Gain
27±3dB from intercom channel to earset
Maximum Output
65 mW into 150 ohms
Frequency Response
250Hz to 8kHz +1/-4dB
Connector Pin Configuration
Headset Connectors
Type: 1/4” Monaural Plug
Tip: Headset Audio High
Sleeve: Headset Audio Low
Type: 1/4” Stereo Plug
Tip: Headset Channel 1 Audio High
Ring: Headset Channel 2 Audio High
Sleeve: Headset Audio Low
Audio/Power Connector
Type: XLR-3F
Pin 1 Common
Pin 2 Channel 1 audio and power input
Pin 3 Channel 2 audio
5
CHAPTER 2
Operation
External Connections & Controls
NOTE: The description numbers correspond with the callouts in Figure 1.
1. Channel 1 Volume Control - use this control to adjust the headset/earset listen level for channel 1.
2. ON LED Indicator - this LED glows green when the beltpack is connected to a functioning intercom channel.
3. Channel 2 Volume Control - use this control to adjust the headset/earset listen level for channel 2.
4. Mono Headset Connector - This connector accepts a wide-response headset/earset, such as the RTS/Telex Model
2233 or Model 2234, with a 1/4” monaural phone plug.
5. Stereo Headset Connector - This connector accepts a wide-response headset/earset, such as the RTS/Telex Model
2233 or Model 2234, with a 1/4” stereo phone plug.
6. Intercom Channel Connectors - The Model 4030 intercom channel is connected via a 3-pin female connector. The
Model 4030 is powered from the intercom system power supply and will turn ON with the intercom system.
FIGURE 1. Model 4030 Connections and Controls
6
7
CHAPTER 3
Parts Documentation and Schematic
Parts may be obtained directly from Telex Communications, Inc., at:
Telex Communications, Inc.
12000 Portland Ave South
Burnsville, MN 55337 USA
Telephone: (800) 392-3497
Fax: (800) 323-0498
8
FIGURE 2. Final Assembly, Model 4030
Item Description Part No.
1 Case, 4030 90607374009
2 Top Plate, 4030 90707489002
3 Connector Plate Assembly 90207489001
4 PC Board, 4030 90307477002L
5 Knob, Nylon Body 9160563601
6 Knob Boot 9160563602
7
Screw, 4-40X .25LG, Flat
Head Gray
800124001
8 Beltclip 91107600000
9 Screw, 4-40X .25LG, Pan Head 51845038
10
Screw, 6-32X .1875LG, Pan
Head
51845073
11 Washer-lock, split, #6 50086001
12 Valox 1303001000
13 Loctite, Superbonder BE753
14 Label, Serial 3101001700
15 Screw Locking Agent 59857000
9
FIGURE 3. Connector Plate Assembly, Model 4030
Item Description Part No.
1 Connector Plate, Gray 90807374008
2
Connector Assembly, IFB
3-Pin Female Line
25027477000
3
Connector Assembly, IFB
Phono/Stereo
25027477002
4
Nut and Washer Part of 1/4”
Jack
N/A
5
Screw, Part of 40055
Connector
N/A
6 Screw Locking Agent 59857000
10
FIGURE 4. PC Board Assembly, Model 4030
Qty Ref Des Part Number Description
1 C8 51821625
47UF, Cap Al Elect
SMT 25V
1 C6 51821626
100UF, Cap Al Elect
SMT 25V
1 R12 54131005 10K,POT
1 U4 54680412 LM78L12
2 Q1,Q2 54749000 MMBTA13
4 D1,D2,D3,D4 58711100 DIODE 1N4148
2 PEM1,PEM2 59832002
Nut, Self Clinching 4-
40
2 J1,J2 59958104
Connector, ST Locking,
0.059, M-4
3 R7,R8,R9 102404300
10.0K Ohm, Res 1206
1%
2 R1,R2 102404333
22.1K Ohm, Res 1206
1%
1 R35 102404384
75.0K Ohm, Res 1206
1%
2 R23,R24 102513000 0 Ohm, Res 1206
7
R13,R16,R18,R2
6,R27,R28,
R29
102513100 10 Ohm, Res 1206 5%
1 R34 102513102
1.0k Ohm, Res 1206
5%
1 R17 102513154
150k Ohm, Res 1206
5%
1 R10 102513472
4.7k Ohm, Res 1206
5%
2 R14,R15 102513473 47k Ohm, Res 1206 5%
1 R21 102513752
7.5K Ohm, Res 1206
5%
1 C17 102879208
220PF, Cap 0805 X7R
50V
2 C1,C2 102880237
0.22UF, Cap 0805 X7R
50V
1 C3 102880239
0.33UF, Cap 0805 X7R
25V
2 C7,C9 102880339
0.01UF, Cap 1206 X7R
50V
4 C4,C13,C20,C21 102881351
0.1UF, Cap 1206 X7R
50V
1 C18 102884510
4.7UF, Cap Al Elect
SMT 35V
1 C25 102884512
10UF, Cap Al Elect
SMT 35V
1 C12 102884600
0.1UF, Cap Al Elect
SMT 50V
1 C10 102884606
1.0UF, Cap Al Elect
SMT 50V
1 J3 590089005
Connector, ST Locking,
0.100, M-5
1 U2 760374
Low Power Audio Amp
MC34119D
1 U1 16030833SM LM833
1 TP1 2017001400 Connector, Test Point
1 90407477000 Raw PCB
1 2515001500 Jumper
1 64106003 Support Bracket
1 C5 517002081 2200UF, Cap 16V
2 C15,C27 517002116 2200UF, Cap 25V
11
FIGURE 5. Connector Assemblies
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
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